@misc{indiciaeca8866cf0c61,
  title = {Measurements of leakage from Lake Michigan through three control structures near Chicago, Illinois, April-October 1993},
  author = {K. A. Oberg and A.R. Schmidt},
  year = {1994},
  doi = {10.3133/wri944112},
  url = {https://pubs.usgs.gov/publication/wri944112},
  note = {Source identifier: wri944112}
}